.nav{
    position: fixed;
    bottom: 0;
    display: flex;
    text-align: center;
    width: 100%;
}
.nav a{
    flex: 1;
    text-decoration: none;
    color: #2789CE;
    font-size: .45rem;
    line-height: 1.5rem;
}
body{
    margin: 0;
    padding: 0;
}